AirHint found the following cheapest return flights from Dublin (DUB) to Cape Town (CPT) in December 2025 (see full year).

Return flights

03 Dec - 20 Jan	Lufthansa
03 Dec - 18 Dec	Turkish Airlines
05 Dec - 13 Dec	Kenya Airways
04 Dec - 19 Dec	Turkish Airlines
30 Dec - 15 Jan	Aer Lingus
29 Dec - 15 Jan	Aer Lingus
02 Dec - 07 Dec	KLM
01 Dec - 12 Jan	SWISS
09 Dec - 16 Jan	Kenya Airways
07 Dec - 28 Dec	Turkish Airlines
03 Dec - 10 Dec	SWISS
01 Dec - 26 Dec	SWISS
04 Dec - 18 Jan	Air France
29 Dec - 13 Jan	Aer Lingus
31 Dec - 14 Jan	Aer Lingus
05 Dec - 19 Dec	Turkish Airlines
11 Dec - 15 Dec	Aer Lingus
03 Dec - 31 Dec	SWISS
29 Dec - 08 Jan	Aer Lingus
09 Dec - 09 Jan	Kenya Airways

Also check the deals for one-way flights from Dublin to Cape Town in December.

The deals are updated regularly. The prices may go up as tickets are purchased by other travellers. Only the cheapest flights are offered. Select a price to book and secure these cheap prices.

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Cheapest return flights from Dublin to Cape Town in December from $746

Return flights